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生物模板法制备纳米羟基磷灰石去除水体中的三氯生

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赵婷婷, 沈秋莹, 丁怡然, 罗玉, 李强, 展巨宏, 蔡倩, 陈波, 蒋峰芝, 潘学军. 生物模板法制备纳米羟基磷灰石去除水体中的三氯生[J]. 环境化学, 2014, 33(6): 1018-1026. doi: 10.7524/j.issn.0254-6108.2014.06.015
引用本文: 赵婷婷, 沈秋莹, 丁怡然, 罗玉, 李强, 展巨宏, 蔡倩, 陈波, 蒋峰芝, 潘学军. 生物模板法制备纳米羟基磷灰石去除水体中的三氯生[J]. 环境化学, 2014, 33(6): 1018-1026. doi: 10.7524/j.issn.0254-6108.2014.06.015
shu
ZHAO Tingting, SHEN Qiuying, DING Yiran, LUO Yu, LI Qiang, ZHAN Juhong, CAI Qian, CHEN Bo, JANG Fengzhi, PAN Xuejun. Removal of triclosan by nano-HAP synthesized by biotemplate technology[J]. Environmental Chemistry, 2014, 33(6): 1018-1026. doi: 10.7524/j.issn.0254-6108.2014.06.015
Citation: ZHAO Tingting, SHEN Qiuying, DING Yiran, LUO Yu, LI Qiang, ZHAN Juhong, CAI Qian, CHEN Bo, JANG Fengzhi, PAN Xuejun. Removal of triclosan by nano-HAP synthesized by biotemplate technology[J]. Environmental Chemistry, 2014, 33(6): 1018-1026. doi: 10.7524/j.issn.0254-6108.2014.06.015
shu

生物模板法制备纳米羟基磷灰石去除水体中的三氯生

  • 1.

    昆明理工大学环境科学与工程学院, 昆明, 650500;

  • 2.

    云南大学化学科学与工程学院, 昆明, 650091

  • 基金项目:

    国家自然科学基金（21163023，21307048）资助.

Removal of triclosan by nano-HAP synthesized by biotemplate technology

  • 1.

    Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China;

  • 2.

    Faculty of Chemistry and Chemistry Engineering, Yunnan University, Kunming, 650091, China

  • Fund Project:

  • 摘要: 以棉花作为生物模板制备出具有棉花形貌的纳米羟基磷灰石（HAP），并将其运用于水体中三氯生的吸附去除研究。采用X射线粉末衍射仪、傅里叶红外、扫描电镜、透射电镜表征了吸附前后HAP的物相组成、官能团、形貌和颗粒尺寸变化。考察了初始pH、时间和温度对HAP吸附三氯生的影响。动力学数据符合准二级动力学模型，颗粒内扩散不是唯一的限速步骤；平衡吸附数据符合Langmuir等温吸附模型；热力学参数吉布斯自由能（ΔG0）、焓变（ΔH0）、熵变（ΔS0）值揭示三氯生吸附至HAP上是一个自发吸热的过程。对比其他吸附剂，HAP具有高吸附量且环境友好的优势。
    Abstract: Hydroxyapatite (HAP) in cotton morphology was synthesized using cotton as bio-template and employed in the removal of triclosan (TCS). The crystal phase, functional group, micro-structure and particles of the synthesized HAP and TCS treated HAp powder were characterized by XRD, FTIR, SEM, TEM. The effect of initial pH, contact time and temperature on the removal of TCS by HAP was studied in batch experiment. The kinetic data conformed to the pseudo-second-order kinetic model. Intraparticle diffusion was not the sole rate-controlling factor. The experimental equilibrium adsorption data fitted well to the Langmuir isotherm model. Thermodynamic parameters such as Gibbs free energy (ΔG0), enthalpy (ΔH0), and entropy (ΔS0) revealed the adsorption of TCS by HAP in cotton morphology was a spontaneous and endothermic process. Compared with other adsorbents, HAP has the advantages of high adsorption capacity and environmentally friendlyness.
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  • 收稿日期:  2013-12-19
赵婷婷, 沈秋莹, 丁怡然, 罗玉, 李强, 展巨宏, 蔡倩, 陈波, 蒋峰芝, 潘学军. 生物模板法制备纳米羟基磷灰石去除水体中的三氯生[J]. 环境化学, 2014, 33(6): 1018-1026. doi: 10.7524/j.issn.0254-6108.2014.06.015
引用本文: 赵婷婷, 沈秋莹, 丁怡然, 罗玉, 李强, 展巨宏, 蔡倩, 陈波, 蒋峰芝, 潘学军. 生物模板法制备纳米羟基磷灰石去除水体中的三氯生[J]. 环境化学, 2014, 33(6): 1018-1026. doi: 10.7524/j.issn.0254-6108.2014.06.015
shu
ZHAO Tingting, SHEN Qiuying, DING Yiran, LUO Yu, LI Qiang, ZHAN Juhong, CAI Qian, CHEN Bo, JANG Fengzhi, PAN Xuejun. Removal of triclosan by nano-HAP synthesized by biotemplate technology[J]. Environmental Chemistry, 2014, 33(6): 1018-1026. doi: 10.7524/j.issn.0254-6108.2014.06.015
Citation: ZHAO Tingting, SHEN Qiuying, DING Yiran, LUO Yu, LI Qiang, ZHAN Juhong, CAI Qian, CHEN Bo, JANG Fengzhi, PAN Xuejun. Removal of triclosan by nano-HAP synthesized by biotemplate technology[J]. Environmental Chemistry, 2014, 33(6): 1018-1026. doi: 10.7524/j.issn.0254-6108.2014.06.015
shu

生物模板法制备纳米羟基磷灰石去除水体中的三氯生

  • 1.  昆明理工大学环境科学与工程学院, 昆明, 650500;
  • 2.  云南大学化学科学与工程学院, 昆明, 650091
  • 收稿日期:  2013-12-19
基金项目:

国家自然科学基金（21163023，21307048）资助.

摘要: 以棉花作为生物模板制备出具有棉花形貌的纳米羟基磷灰石（HAP），并将其运用于水体中三氯生的吸附去除研究。采用X射线粉末衍射仪、傅里叶红外、扫描电镜、透射电镜表征了吸附前后HAP的物相组成、官能团、形貌和颗粒尺寸变化。考察了初始pH、时间和温度对HAP吸附三氯生的影响。动力学数据符合准二级动力学模型，颗粒内扩散不是唯一的限速步骤；平衡吸附数据符合Langmuir等温吸附模型；热力学参数吉布斯自由能（ΔG0）、焓变（ΔH0）、熵变（ΔS0）值揭示三氯生吸附至HAP上是一个自发吸热的过程。对比其他吸附剂，HAP具有高吸附量且环境友好的优势。

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